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基于约束Delaunay三角剖分的筋特征识别与构建算法

周敏 郑国磊 罗智波 陈树林

周敏, 郑国磊, 罗智波, 等 . 基于约束Delaunay三角剖分的筋特征识别与构建算法[J]. 北京航空航天大学学报, 2016, 42(1): 201-210. doi: 10.13700/j.bh.1001-5965.2015.0049
引用本文: 周敏, 郑国磊, 罗智波, 等 . 基于约束Delaunay三角剖分的筋特征识别与构建算法[J]. 北京航空航天大学学报, 2016, 42(1): 201-210. doi: 10.13700/j.bh.1001-5965.2015.0049
ZHOU Min, ZHENG Guolei, LUO Zhibo, et al. Algorithm for recognizing and constructing rib feature based on constrained Delaunay triangulation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(1): 201-210. doi: 10.13700/j.bh.1001-5965.2015.0049(in Chinese)
Citation: ZHOU Min, ZHENG Guolei, LUO Zhibo, et al. Algorithm for recognizing and constructing rib feature based on constrained Delaunay triangulation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(1): 201-210. doi: 10.13700/j.bh.1001-5965.2015.0049(in Chinese)

基于约束Delaunay三角剖分的筋特征识别与构建算法

doi: 10.13700/j.bh.1001-5965.2015.0049
基金项目: 国家科技重大专项子课题(2012ZX04010051)
详细信息
    作者简介:

    周敏女,博士。主要研究方向:CAD/CAM、数字化设计与制造、计算几何。E-mail:zhoumin.buaa@139.com;郑国磊男,博士,教授,博士生导师。主要研究方向:智能CAD、数控自动编程技术、工装智能设计。Tel.:010-82339128E-mail:zhengguolei@buaa.edu.cn

    通讯作者:

    郑国磊,Tel.:010-82339128E-mail:zhengguolei@buaa.edu.cn

  • 中图分类号: TP391.7

Algorithm for recognizing and constructing rib feature based on constrained Delaunay triangulation

Funds: National Science and Technology Major Project of the Ministry of Science and Technology of China (2012ZX04010051)
  • 摘要: 为识别飞机结构件中的筋特征,提出一种基于Delaunay三角剖分的识别与构建算法。首先,根据飞机结构件腹板和平顶筋加工方式的不同以及二者几何上的相似性,引入广义腹板概念表示腹板面和平顶筋,并建立筋的表示模型;其次,利用约束Delaunay三角剖分算法,剖分广义腹板面,进行平顶筋面和腹板面的识别与区分,并提取平顶筋面的中轴线;最后,利用中轴线拆分平顶筋并将斜顶筋作为广义腹板的子特征进行识别与构建。实例结果表明,该算法是正确和有效的。

     

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出版历程
  • 收稿日期:  2015-01-26
  • 刊出日期:  2016-01-20

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